Tatro, Robert G
Current rating: 1519
Record: 7-6
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 233 | DeFalco, Garrett (1518) | Lost 1-2 | -181500 |
| 3sealed | 453 | Ahmed, Rami (1500) | Won 2-1 | +181518 |
| 4sealed | 388 | Bernardi, Richard (1544) | Won 2-1 | +181536 |
| 5sealed | 306 | van Driel, Boaz (1486) | Lost 1-2 | -181518 |
| 6sealed | 506 | Trottier, Charles (1614) | Won 2-1 | +191537 |
| 7sealed | 334 | Sacks, Neal (1509) | Lost 1-2 | -181519 |
| average opponent: 1528record: 3-3 | new rating: 1519 | |||
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 580 | Murphy, Joshua (1668) | Won 2-0 | +211521 |
| 2sealed | 464 | Szamier, Cory T (1468) | Won 2-1 | +171538 |
| 3sealed | 487 | Nicholson, John (1407) | Lost 1-2 | -201518 |
| 4sealed | 600 | Emery, Frank (1402) | Won 2-0 | +161534 |
| 5sealed | 535 | Moran, Tim (1503) | Won 2-1 | +171551 |
| 6sealed | 495 | Brown, Travis (1555) | Lost 0-2 | -181533 |
| 7sealed | 489 | Morawski, Jonathan (1692) | Lost 0-2 | -151518 |
| average opponent: 1528record: 4-3 | new rating: 1518 | |||